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© 2018 HBX Controls
4
CONNECTIONS AND WIRING DIAGRAMS
c
onnections
w
iring
D
iagrams
#1. P
ermanent
h
eat
D
emanD
Transformer
R
C
24VAC
Pump contact is dry
120VAC 2A max
rating. Larger loads
must use an external
relay
L
N
120 V AC
Jumper
Wire
Pump
Enable
Pump enable has a 30
second pre-purge and
60 second post-purge
Boiler
Enable
Outdoor
Sensor
Boiler
Sensor
THM-0200
HBX
RL
2
RL
3
2
2
2
24V AC
10
9
2
TH
2
TH
8
7
3
Thermostat
RL
1
RL
5
4
1
2 A
DO NOT
CONNECT
POWER HERE
TH
1
6
RL
1
2 A
1
ORC-0100